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#pragma once
#include <mbgl/renderer/render_layer.hpp>
#include <mbgl/style/layers/line_layer_impl.hpp>
#include <mbgl/style/layers/line_layer_properties.hpp>
#include <mbgl/programs/uniforms.hpp>
#include <mbgl/style/image_impl.hpp>
#include <mbgl/layout/pattern_layout.hpp>
namespace mbgl {
struct LineFloorwidth : style::DataDrivenPaintProperty<float, attributes::a_floorwidth, uniforms::u_floorwidth> {
static float defaultValue() { return 1; }
};
class RenderLinePaintProperties : public style::ConcatenateProperties<
style::LinePaintProperties,
style::Properties<LineFloorwidth>> {};
class LineBucket;
class RenderLineLayer: public RenderLayer {
public:
using StyleLayerImpl = style::LineLayer::Impl;
using PatternProperty = style::LinePattern;
RenderLineLayer(Immutable<style::LineLayer::Impl>);
~RenderLineLayer() final = default;
void transition(const TransitionParameters&) override;
void evaluate(const PropertyEvaluationParameters&) override;
bool hasTransition() const override;
bool hasCrossfade() const override;
void render(PaintParameters&, RenderSource*) override;
void update() final;
RenderLinePaintProperties::PossiblyEvaluated paintProperties() const;
bool queryIntersectsFeature(
const GeometryCoordinates&,
const GeometryTileFeature&,
const float,
const TransformState&,
const float,
const mat4&) const override;
// Paint properties
style::LinePaintProperties::Unevaluated unevaluated;
RenderLinePaintProperties::PossiblyEvaluated evaluated;
const style::LineLayer::Impl& impl() const;
private:
float getLineWidth(const GeometryTileFeature&, const float) const;
void updateColorRamp();
CrossfadeParameters crossfade;
PremultipliedImage colorRamp;
optional<gl::Texture> colorRampTexture;
};
inline const RenderLineLayer* toRenderLineLayer(const RenderLayer* layer) {
return static_cast<const RenderLineLayer*>(layer);
}
} // namespace mbgl
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